New Fork River near Big Piney, WY
River level and flood forecast · Sublette County
Normal2.7 ftas of Mon 2 PM
The river is 5.3 ft below flood stage (8 ft).
Forecast to rise to 3.5 ft Wed 12 PM, below the 8 ft flood stage.
Flow: 392 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 11:53 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Moderate flood stage | 8.5 ft |
| Flood stage | 8 ft |
| Action stage | 7 ft |
| Record crest (June 19, 2017) | 8.3 ft |
What floods at each level
From the National Weather Service, highest first.
- 9.5 ftExpect water at base of bridge upstream of gage. Sublette County Road 23-175 near bridge to 1000 feet north of bridge may be totally submerged and impassable.
- 8.5 ftStanding water on low spots of Sublette County Road 23-175 near bridge to 700-1000 ft north of bridge. Major amd widespread low land pasture and agricultural flooding.
- 8.3 ftRecord stage and flow---9,400 cfs (6/19/2017).
- 8 ftFlood stage. Low land pasture and agricultural flooding intensifies and becomes more widespread.
- 7 ftBankfull stage. Minor lowland and pasture flooding.
Highest crests on record
- 8.3 ft — June 19, 2017
- 8.28 ft — June 7, 1986
- 8.15 ft — June 10, 1972
- 7.84 ft — June 27, 1965
- 7.6 ft — June 11, 1997
Recent crests: 6.45 ft (June 8, 2020) · 7.03 ft (June 9, 2019) · 6.74 ft (June 20, 2018) · 6.4 ft (June 2, 2018) · 8.3 ft (June 19, 2017)
Up and down the river, and nearby
- Boulder Creek below Boulder Lake near Boulder, WY
- Boulder Creek above Boulder Lake near Boulder, WY
- Big Sandy River (WY) above Big Sandy Reservoir, WY
- Green River (WY-UT-CO) near La Barge, WY
- Lake Creek below Willow Lake, near Cora, WY
- Green River (WY-UT-CO) at Warren Bridge, WY
- Pine Creek above Fremont Lake, WY
- Green River (WY-UT-CO) below Fontenelle Dam, WY
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BPNW4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.